react-native-plain-calendar/build/src/utils/isWithinRange.js

Calendar component for React-Native

import * as dateFns from 'date-fns';
import { isBetween } from './isBetween';
import { withArray } from './withArray';
export function isWithinRange(date, startDate, endDate) {
    let start = startDate;
    let end = endDate;
    if (dateFns.isAfter(start, end)) {
        [start, end] = [end, start];
    }
    return isBetween(start, end, date);
}
export function isWithinRangeWithArray(dates, startDate, endDate) {
    return withArray(dates, (date) => isWithinRange(date, startDate, endDate));
}